The Titanium Field Guide

Seiko Brightz Chronograph SAGA161 (Titanium)

Archive · used only

The Seiko Brightz Chronograph SAGA161 (Titanium) is a discontinued chronograph watch with a Titanium (Comfotex, Diamond Shield hard coating) case, finished with diamond shield hard coating. At 90 g it sits around the middle for chronograph watches in the guide. It ships on a matching titanium bracelet rather than a strap. No longer offered new; listed here as an archive reference for the used market.

Titanium chronograph watchesUnder 11 mm thickLightweightLightest, rankedOn a titanium braceletSolar
Titanium
Titanium (Comfotex, Diamond Shield hard coating)
Weight
90 g
Water resistance
100 m
Type
Chronograph
Price
– · Y120,000 at launch (JDM); secondary market only
Case diameter
41.9 mm
Thickness
10.6 mm
Lug-to-lug
49.3 mm
Origin
Japan
Movement
Solar radio-controlled quartz chronograph
Caliber
Seiko Cal. 8B82
Complications
Chronograph, Date
Case shape
Round
Case colour
Natural / grey
Finish technology
Surface hardening
Surface treatment
Diamond Shield hard coating
Nickel-free
Not verified (contact-point materials not all confirmed)
Bracelet / strap
Titanium bracelet
Titanium bracelet
Standard
Crystal
Sapphire, super-clear coating
Display back
No
Dial
Blue (grey-blue)
Dial colours
Grey Blue
Availability
No longer offered
Status
No longer in production (discontinued JDM Brightz)
Not published
Reference, Power reserve, Caseback, Lume Help verify
Medium confidence Verified Jun 2026 Source: Jackroad (SAGA161, Comfotex Titanium) / Giga-web (SAGA161, case chitan) Maker / listing ↗ Suggested by u/StudioZanello
Facts are free to cite with a link.
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Frequently asked questions

What grade of titanium is the Seiko Brightz Chronograph SAGA161 (Titanium)?

The Seiko Brightz Chronograph SAGA161 (Titanium) has a Titanium (Comfotex, Diamond Shield hard coating) case. It is recorded at medium confidence pending a maker-stated grade.

What size is the Seiko Brightz Chronograph SAGA161 (Titanium)?

It is 41.9 mm in diameter, 10.6 mm thick, 49.3 mm lug to lug, and water resistant to 100 m.

How much does the Seiko Brightz Chronograph SAGA161 (Titanium) weigh?

About 90 g.

How much does the Seiko Brightz Chronograph SAGA161 (Titanium) cost, and is it available?

It is no longer offered new; the guide keeps it as an archive reference for the used market.

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